Cluster box unit



FIG. 1 is a front plan view of the cluster box unit (CBU) of the present invention showing a pedestal, the locks, and adjoining mail box slot door structures for the CBU in phantom;

FIG. 2 is a rear view of the CBU of FIG. 1;

FIG. 3 is a right side view of the CBU of FIG. 1. The left side view is a mirror image of the right side view;

FIG. 4 is a top plan view of the CBU of FIG. 1;

FIG. 5 is a bottom plan view of the CBU of FIG. 1;

FIG. 6 is a top right side perspective view of the front of the CBU of FIG. 1; and,

FIG. 7 is a front perspective view of the CBU of FIG. 1 showing the double door in an open and ajar position, respectively. The central sliding linkage, the door pins, and various door locks are shown in phantom.

The broken line showing of pedestal in FIGS. 1,2,3,5,6,7, the locks and adjoining mail box slot in FIGS. 1,6, and 7, and the linkage, the door pins, and various door locks in FIG. 7 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an cluster box unit, as shown and described. 